update muffins smz3 tracker

diff --git a/public/muffins-smz3 b/public/muffins-smz3
index 744ad719fd0c1ee2c53496c8c8652c9b43e8ba9e..b4a68fbe3c1c02fa6b7d3cc625091c741c9b5d84 160000 (submodule)
--- a/public/muffins-smz3
+++ b/public/muffins-smz3
@@ -1 +1 @@
-Subproject commit 744ad719fd0c1ee2c53496c8c8652c9b43e8ba9e
+Subproject commit b4a68fbe3c1c02fa6b7d3cc625091c741c9b5d84